GLASS Russian patent published in 2008 - IPC C03C3/108 

Abstract RU 2334702 C2

FIELD: chemistry.

SUBSTANCE: glass contains SiO2, K2O, Na2O, B2O3, ZnO, CdS, Se, CaO, BaO, Sb2O3, WO3, PbO, at the following component ratio, mass %: Si2O - 63.5-67.0; K2O - 8-10; Na2O - 3-5; B2O3 - 3.0-5; ZnO - 0.5-1.5; CdS - 1.0-1.5; Se - 0.1-0.2; CaO - 8.5-10.0; BaO - 3.0-4.0; Sb2O3 - 0.1-0.2; WO3 - 0.1-0.2; PbO - 2.0-2.5.

EFFECT: higher refractive index of glass.

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RU 2 334 702 C2

Authors

Shchepochkina Julija Alekseevna

Dates

2008-09-27Published

2006-11-15Filed